light-year to metre
Live light-year (ly) to metre (m) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from light-year to metre. Use the converter above for arbitrary values.
| light-year (ly) | → | metre (m) |
|---|---|---|
| 0.001 ly | → | 9.4607e+12 m |
| 0.01 ly | → | 9.4607e+13 m |
| 0.1 ly | → | 9.4607e+14 m |
| 0.5 ly | → | 4.7304e+15 m |
| 1 ly | → | 9.4607e+15 m |
| 2 ly | → | 1.8921e+16 m |
| 5 ly | → | 4.7304e+16 m |
| 10 ly | → | 9.4607e+16 m |
| 100 ly | → | 9.4607e+17 m |
| 1,000 ly | → | 9.4607e+18 m |
About the light-year
Distance light travels in one Julian year — about 9.46 trillion km. Astronomy.
About the metre
The SI base unit of length. Defined by the speed of light since 1983.
Frequently asked questions
Frequently Asked Questions
How do I convert light-year to metre?
Multiply the light-year value by 9.4607e+15 to get it in metre. For example, 10 ly = 9.46e+16 m.
What is 1 ly in m?
1 ly = 9.4607e+15 m.
What is 100 ly in m?
100 ly = 9.46e+17 m.
What is the formula?
Linear: multiply by 9.4607e+15 (the unit factor ratio).
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